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Terathopius: Great Northern Diver (Gavia immer), Blackwaterfoot, Arran
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Terathopius: Red-throated Diver (Gavia stellata), Blackwaterfoot, Arran
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Terathopius: Great Northern Diver (Gavia immer), Blackwaterfoot, Arran
©
Terathopius: Red-throated Diver (Gavia stellata), Blackwaterfoot, Arran